package com.bw.Controller;

import cn.hutool.core.util.IdUtil;
import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.internal.util.AlipaySignature;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.bw.common.AlipayConfig;
import com.bw.common.BResult;
import com.bw.domain.Message;
import com.bw.domain.Oder;
import com.bw.domain.Pay;
import com.bw.service.OderService;
import com.bw.service.PayService;
import com.bw.service.SendService;
import lombok.extern.slf4j.Slf4j;
import org.redisson.api.RSet;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;


@RestController
@Slf4j
public class OderController {
    @Autowired
    OderService oderService;
    @Autowired
    PayService payService;
    @Autowired
    SendService sendService;
    @RequestMapping("toPay")
  public BResult toPay(Integer id, HttpServletRequest request) throws AlipayApiException, UnsupportedEncodingException {
        Oder oder = oderService.getById(id);
        String s = "DD" + IdUtil.getSnowflakeNextId();

        oderService.save(Oder.builder().orderNo(s).msg("支付成功").price(oder.getPrice()).status(0).phone("17335367362").build());

        //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);

        //设置请求参数
        AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
        alipayRequest.setReturnUrl(AlipayConfig.return_url);
        alipayRequest.setNotifyUrl(AlipayConfig.notify_url);

        //商户订单号，商户网站订单系统中唯一订单号，必填
        String out_trade_no = oder.getOrderNo();
        //付款金额，必填
        String total_amount =oder.getPrice().toString();
        //订单名称，必填
        String subject = oder.getName();
        //商品描述，可空
        String body = "";

        alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
                + "\"total_amount\":\""+ total_amount +"\","
                + "\"subject\":\""+ subject +"\","
                + "\"body\":\""+ body +"\","
                + "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");

        //若想给BizContent增加其他可选请求参数，以增加自定义超时时间参数timeout_express来举例说明
        //alipayRequest.setBizContent("{\"out_trade_no\":\""+ out_trade_no +"\","
        //		+ "\"total_amount\":\""+ total_amount +"\","
        //		+ "\"subject\":\""+ subject +"\","
        //		+ "\"body\":\""+ body +"\","
        //		+ "\"timeout_express\":\"10m\","
        //		+ "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");
        //请求参数可查阅【电脑网站支付的API文档-alipay.trade.page.pay-请求参数】章节

        //请求
        String result = alipayClient.pageExecute(alipayRequest).getBody();

        //输出
                System.out.println(result);
                return  BResult.success(result);
    }
    @RequestMapping("callbackAliPay")
    public  void  callbackAliPay(HttpServletRequest request, HttpServletResponse response) throws IOException, AlipayApiException {

        //获取支付宝GET过来反馈信息
        Map<String,String> params = new HashMap<String,String>();
        Map<String,String[]> requestParams = request.getParameterMap();
        for (Iterator<String> iter = requestParams.keySet().iterator(); iter.hasNext();) {
            String name = (String) iter.next();
            String[] values = (String[]) requestParams.get(name);
            String valueStr = "";
            for (int i = 0; i < values.length; i++) {
                valueStr = (i == values.length - 1) ? valueStr + values[i]
                        : valueStr + values[i] + ",";
            }
            //乱码解决，这段代码在出现乱码时使用
            valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
            params.put(name, valueStr);
        }

        boolean signVerified = AlipaySignature.rsaCheckV1(params, AlipayConfig.alipay_public_key, AlipayConfig.charset, AlipayConfig.sign_type); //调用SDK验证签名

        //——请在这里编写您的程序（以下代码仅作参考）——
        if(signVerified) {

            //商户订单号
            String out_trade_no = new String(request.getParameter("out_trade_no").getBytes("ISO-8859-1"),"UTF-8");

            //支付宝交易号
            String trade_no = new String(request.getParameter("trade_no").getBytes("ISO-8859-1"),"UTF-8");

            LambdaQueryWrapper<Oder> wrapper = new LambdaQueryWrapper<>();
            wrapper.eq(Oder::getOrderNo,out_trade_no);

            Oder one = oderService.getOne(wrapper);
            //付款金额
            String total_amount = new String(request.getParameter("total_amount").getBytes("ISO-8859-1"),"UTF-8");
             oderService.update(Wrappers.lambdaUpdate(Oder.class).set(Oder::getStatus,1).set(Oder::getApliyNo,trade_no).eq(Oder::getOrderNo,out_trade_no));


            Pay pay = new Pay();
            pay.setApliyNo(out_trade_no);
            pay.setOderNo(trade_no);
            payService.save(pay);
            oderService.updateById(one);
            Message message = Message.builder().oderNO(out_trade_no).msg("交易成功").phone(one.getPhone()).build();
            try {
                sendService.asend(message);
            } catch (Exception e) {
                log.info("发送异常{}{}",message,e);
            }
            response.sendRedirect("http://localhost:8080/oder");
        }else {
            System.out.println("验签失败");
        }

    }
    @RequestMapping("olist")
    public  BResult olist(){
        List<Oder> list = oderService.list();
        return  BResult.success(list);
    }
}
